The world's premier drill sharpening machines
|
|
Brierley Machines Tools The world's premier drill sharpening machines |
|
 |
 |
 |
|
Frequently Asked Question ZB32 & ZB50 MODELS Insight into machine capabilities: The machines have two cam spindles, the smaller is for even fluted tools and the Larger is for odd fluted tools. Function of standard cams supplied: No 4 - Standard drill point grinding and self-centring points (such as the four-facet point) and also two flute countersinks. No 6 – Used to relieve the shoulders on 2-flute step drills, (sometimes-called pilot drills) and also two flute countersinks. No 8 – Used to grind relief on 4-flute core drills, taps and countersinks. *Split-point grinding will require the optional CBN wheel for point splitting and point grinding along with the standard No 4 cam. Special optional cams: Cam for 1-flute - single flute countersink relief. Cam for 3-flutes - three flute core drills, taps and countersinks relief. Cam for 5-flute - five flute taps, countersinks and reamer relief. Cam for sheet metal points – This can basically transform a standard drill or regrind a special geometry to suit sheet metal drilling. Cam for spiral points - Another self-centring point useful and essential if a machine is sold into the structural steel industry. Cam for left-hand drills – two flute left-hand drill point grinding. |
|
 |
Copyright
© 2007 Brierley Machines All
rights reserved. |
 |
